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Synthesis and characterization of mononuclear amidogold(III) complexes: crystal structure of [Au(N2C10H7(Cme2C6H4)-6](NHC6H3Me2-2,6)][PF6] − oxidation of 4-methylaniline to azotoluene

Cinellu, Maria Agostina and Minghetti, Giovanni and Pinna, Maria Vittoria and Stoccoro, Sergio and Zucca, Antonio and Manassero, Mario (2003) Synthesis and characterization of mononuclear amidogold(III) complexes: crystal structure of [Au(N2C10H7(Cme2C6H4)-6](NHC6H3Me2-2,6)][PF6] − oxidation of 4-methylaniline to azotoluene. European Journal of Inorganic Chemistry, Vol. 2003 (12), p. 2304-2310. eISSN 1099-0682. Article.

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DOI: 10.1002/ejic.200200377

Abstract

Mononuclear amidogold(III) complexes [Au(C,N,N)(NRR′)][PF6] [C,N,N = N2C10H7(Cme2C6H4)-6, where N2C10H8 = 2,2′-bipy; R = H, R′ = p-tolyl (5), o-xylyl (6), isobutyl (7), sec-butyl (8), R = R′ = Et (9)], [Au(C,N)(AcO)(NHC6H4NO2-4)] (10) [C,N = NC5H4(CH2C6H4)-2, where NC5H5 = py] and [Au(N,N)(NHC6H4NO2-4)2][PF6] (11) (N,N = 2,2′-bipy), have been synthesized in fairly good yields by reaction of the hydroxo, methoxo, or acetato complexes 1−4 {[Au(C,N,N)(OR)][PF6] [R = H (1), Me (2)], [Au(C,N)(AcO)2] (3), [Au(N,N)(OH)2][PF6] (4)} with amines. The structure of [Au(C,N,N)(NHC6H3Me2-2,6)][PF6] (6) has been determined by X-ray diffraction. Reaction of the hydroxo complex 4 with NH2C6H4Me-4 gives metallic gold, the protonated ligand [N,NH][PF6] and organic products, the main one being azotoluene.

Item Type:Article
ID Code:4925
Status:Published
Refereed:Yes
Uncontrolled Keywords:Gold, nitrogen ligands, metallacycles, amido complexes, amine oxidation
Subjects:Area 03 - Scienze chimiche > CHIM/03 Chimica generale e inorganica
Divisions:001 Università di Sassari > 01 Dipartimenti > Chimica
Publisher:Wiley
eISSN:1099-0682
Deposited On:22 Nov 2010 18:02

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